Home / 11,413,872,001.20-17,120,808,001.80-5,215,144,177.20

Finding the Fourth Proportional to 11,413,872,001.20, 17,120,808,001.80 and 5,215,144,177.20

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Solution

The fourth proportional to 11,413,872,001.20, 17,120,808,001.80 and 5,215,144,177.20 is: 7,822,716,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413,872,001.20 : 17,120,808,001.80 = 5,215,144,177.20 : x
  2. Step 2: Convert to fraction form
    11,413,872,001.20/17,120,808,001.80 = 5,215,144,177.20/x
  3. Step 3: Cross multiply
    11,413,872,001.20x = 17,120,808,001.80 × 5,215,144,177.20
  4. Step 4: Simplify right side
    11,413,872,001.20x = 89,287,482,159,546,433,536
  5. Step 5: Solve for x
    x = 89,287,482,159,546,433,536/11,413,872,001.20
  6. Step 6: Final answer
    x = 7,822,716,265.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.